Cash's maintainer here. IMO it could be worth for some use cases to use a replacement for jQuery, for the record Cash is ~75% (~20kb minified and gzipped less) smaller than jQuery Slim, that isn't/shouldn't be a rounding error for many use cases.
These are good points, people are more so taking issue with the title.
I was expecting a tool that just tells me how to do something in Javascript - without any library - that I would be tempted to use just include jQuery for.
Instead I'm presented with a library.
I expected the comment sections to be talking about how AI/ML crowdsourced code aggregators keep messing up, instead I'm reading about a simple additional convenience library that a contractor wrote for themselves, and described wrong.